Automatic nozzle adjustment for vacuum cleaners and the like,申请号US19490103708-传众专利搜索

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发明名称	Automatic nozzle adjustment for vacuum cleaners and the like
摘要
申请公布号	US2614283(A)	申请公布日期	1952.10.21
申请号	US19490103708	申请日期	1949.07.08
申请人	CLEMENTS MFG. CO.	发明人	THORNWALD EVERETT D.
分类号	A47L5/34	主分类号	A47L5/34
代理机构		代理人
主权项
地址

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